Topic: Help - don't know how to use graph

hy... i have to draw some functions in graph but i dont know how... hmm
here are images that i need...

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Re: Help - don't know how to use graph

I am not sure what you are having trouble with. Use Function|Insert function in the menu and enter the function equation, e.g. 3sin(x)+1, in the f(x)= field.